Design method of connecting column for reducing temperature rise at overlap position between electric bus bars
A busbar overlapping and design method technology, applied in the direction of cooling busbar devices, etc., can solve the problems of increased space occupied by busbars, increased equipment manufacturing costs, and increased busbar consumption, so as to reduce wiring width and save resources , the effect of reducing the current density
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Embodiment 2
[0068] The material of the first columnar part 1 in the first embodiment is changed to a copper alloy, and the material of the first columnar part 2 is changed to an aluminum alloy. Since the hardness of the alloy is relatively high, the first columnar part 2 can be placed in a low temperature environment ( 5 degrees) for a period of time (5 minutes), while the first columnar part 1 is stored for a period of time (5 minutes) in a high temperature environment (80 degrees), with the help of the effect of thermal expansion and contraction, the inner diameter of the first columnar part 1 Slightly larger, while the outer diameter of the first columnar part 1 is slightly smaller, and then the first columnar part 2 can be easily assembled into the first columnar part 1. After the assembled connecting column returns to normal temperature, the first columnar part 1 Interference fit with the first columnar part 2 can be realized. The diameter and length of the coupling column disclosed ...
Embodiment 3
[0070] Such as Figure 14-15 As shown, the inside of the second columnar part 2 is coaxially provided with a second through hole 7, the first columnar part 6 has a hollow structure, the second columnar part 2 penetrates the first columnar part 1, and the outer cylindrical surface of the first columnar part 1 A first through hole 6 is arranged radially, the first through hole 6 communicates with the second through hole 7 , and the first through hole 6 is located in the axial middle of the first columnar portion 1 .
[0071] Due to the setting of the through holes 6 and 7, when the connecting column is inserted into the prefabricated hole of the first busbar, the air in the prefabricated hole can be smoothly discharged from the second through hole 7, so that the connecting column can be smoothly assembled in place , when the second busbar is inserted into the already installed coupling column, the air in the prefabricated hole of the second busbar can be smoothly discharged from...
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